Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. A method for wireless communication, comprising: obtaining a selected method for computing channel quality indication (CQI), the selected method being chosen from a plurality of methods available for computing CQI, the plurality of methods including a first method for computing CQI without averaging signal quality associated with codewords corresponding to different transmission layers and a second method for computing CQI by averaging signal quality associated with codewords corresponding to different transmission layers; computing CQI in accordance with the selected method; and sending the CQI from a user equipment (UE) to a base station.
A wireless communication method involves a user equipment (UE) selecting a method for computing Channel Quality Indication (CQI) from available methods. These include a method computing CQI without averaging signal quality across different transmission layers and another that does average signal quality. The UE computes CQI according to the selected method and sends it to a base station.
2. The method of claim 1 , wherein the selected method is the first method, and the first method includes computing CQI for a specific codeword from a plurality of codewords.
The wireless communication method where the UE selects a method for computing Channel Quality Indication (CQI) from available methods and sends it to a base station, uses a specific CQI computation method that does not average signal quality across different transmission layers. This method calculates CQI for a specific codeword out of multiple codewords transmitted.
3. The method of claim 2 , wherein the specific codeword is a first codeword from the plurality of codewords.
The wireless communication method calculating Channel Quality Indication (CQI) for a specific codeword out of multiple codewords, uses the *first* codeword for CQI calculation from the plurality of codewords.
4. The method of claim 2 , wherein the computing CQI comprises determining CQI for the specific codeword based on whether the UE supports a receiver processing capability.
The wireless communication method calculating Channel Quality Indication (CQI) for a specific codeword from multiple codewords, determines the CQI for that specific codeword based on the receiver processing capabilities of the user equipment (UE). If the UE has better processing capabilities, CQI may be determined differently.
5. The method of claim 2 , wherein the UE supports successive interference cancellation (SIC), and wherein the computing CQI comprises determining CQI without using interference cancellation if the specific codeword is a first codeword from the plurality of codewords, and determining CQI using interference cancellation if the specific codeword is a second codeword from the plurality of codewords.
The wireless communication method calculating Channel Quality Indication (CQI) for a specific codeword from multiple codewords, where the UE supports Successive Interference Cancellation (SIC), determines CQI *without* using interference cancellation if the specific codeword is the *first* codeword. If the specific codeword is the *second* codeword, CQI is determined *using* interference cancellation.
6. The method of claim 2 , wherein the computing CQI comprises determining a signal quality of at least one transmission layer used for the specific codeword, and determining CQI for the specific codeword based on the signal quality of the at least one transmission layer used for the specific codeword.
The wireless communication method calculating Channel Quality Indication (CQI) for a specific codeword from multiple codewords, determines CQI based on the signal quality of at least one transmission layer used for the specific codeword. The CQI for this specific codeword depends on the measured signal quality of the transmission layer(s) carrying that codeword.
7. The method of claim 1 , wherein the selected method is the second method, and the second method includes computing CQI by averaging signal quality across a plurality of transmission layers.
The wireless communication method involves a user equipment (UE) selecting a method for computing Channel Quality Indication (CQI) from available methods and sending it to a base station, uses a specific CQI computation method that *averages* signal quality across multiple transmission layers.
8. The method of claim 7 , wherein the computing CQI comprises determining signal qualities of the plurality of transmission layers based on whether the UE supports a receiver processing capability, and generating a CQI based on an average of the signal qualities corresponding to the plurality of transmission layers.
The wireless communication method computing Channel Quality Indication (CQI) by averaging signal quality across multiple transmission layers, determines the signal qualities of each transmission layer based on the receiver processing capabilities of the user equipment (UE). The final CQI is then generated by averaging the signal qualities of these layers.
9. The method of claim 8 , wherein the UE supports successive interference cancellation (SIC), and wherein the determining the signal qualities of the plurality of transmission layers comprises determining a signal quality of a first codeword without using interference cancellation, the first codeword being associated with at least one transmission layer, and determining a signal quality of a second codeword using interference cancellation, the second codeword being associated with at least one additional transmission layer.
The wireless communication method computing Channel Quality Indication (CQI) by averaging signal quality across multiple transmission layers, where the UE supports Successive Interference Cancellation (SIC), calculates the signal quality of the first codeword (associated with at least one transmission layer) *without* using interference cancellation. It calculates the signal quality of the second codeword (associated with at least one additional transmission layer) *using* interference cancellation.
10. The method of claim 1 , further comprising: receiving a plurality of codewords sent by the base station to the UE based on the CQI.
The wireless communication method sending Channel Quality Indication (CQI) from a user equipment (UE) to a base station, involves the base station subsequently sending multiple codewords to the UE, based on the received CQI.
11. An apparatus for wireless communication, comprising: means for obtaining a selected method for computing channel quality indication (CQI), the selected method being chosen from a plurality of methods available for computing CQI, the plurality of methods including a first method for computing CQI without averaging signal quality associated with codewords corresponding to different transmission layers and a second method for computing CQI by averaging signal quality associated with codewords corresponding to different transmission layers; means for computing CQI in accordance with the selected method; and means for sending the CQI from a user equipment (UE) to a base station.
A wireless communication apparatus includes a component to select a Channel Quality Indication (CQI) computation method from available methods. These include a method computing CQI without averaging signal quality across different transmission layers and another that does average signal quality. There's a component to compute CQI according to the selected method and a component to send the CQI from a user equipment (UE) to a base station.
12. The apparatus of claim 11 , wherein the selected method is the first method, and the first method includes computing CQI for a specific codeword from a plurality of codewords, and wherein the means for computing CQI computes CQI for the specific codeword based on whether the UE supports a receiver processing capability.
The wireless communication apparatus selecting a Channel Quality Indication (CQI) computation method from available methods, computing CQI, and sending it to a base station, uses a specific CQI computation method that does not average signal quality across different transmission layers. This method calculates CQI for a specific codeword out of multiple codewords transmitted. The CQI for the specific codeword is based on whether the UE supports receiver processing capability.
13. The apparatus of claim 12 , wherein the specific codeword is a first codeword from the plurality of codewords.
The wireless communication apparatus calculating Channel Quality Indication (CQI) for a specific codeword out of multiple codewords, uses the *first* codeword for CQI calculation from the plurality of codewords.
14. The apparatus of claim 12 , wherein the UE supports successive interference cancellation (SIC), and wherein the means for computing CQI computes CQI without interference cancellation if the specific codeword is a first codeword from the plurality of codewords, and computes CQI with interference cancellation if the specific codeword is a second codeword from the plurality of codewords.
The wireless communication apparatus calculating Channel Quality Indication (CQI) for a specific codeword from multiple codewords, where the UE supports Successive Interference Cancellation (SIC), computes CQI *without* interference cancellation if the specific codeword is the *first* codeword. If the specific codeword is the *second* codeword, CQI is computed *using* interference cancellation.
15. The apparatus of claim 11 , wherein the selected method is the second method, and the second method includes computing CQI by averaging signal quality across a plurality of transmission layers, and wherein the means for computing CQI determines signal qualities of the plurality of transmission layers based on whether the UE supports a receiver processing capability, and determines CQI based on an average of the signal qualities of the plurality of transmission layers.
The wireless communication apparatus selecting a Channel Quality Indication (CQI) computation method from available methods, computing CQI, and sending it to a base station, uses a specific CQI computation method that *averages* signal quality across multiple transmission layers. It determines signal qualities based on UE's receiver capability and determines CQI based on the average of those signal qualities.
16. The apparatus of claim 15 , wherein the UE supports successive interference cancellation (SIC), and wherein the means for determining the signal qualities of the plurality of transmission layers determines a signal quality of a first codeword without using interference cancellation, the first codeword being associated with at least one transmission layer and determines a signal quality of a second codeword using interference cancellation, the second codeword being associated with at least one additional transmission layer.
The wireless communication apparatus calculating Channel Quality Indication (CQI) by averaging signal quality across multiple transmission layers, where the UE supports Successive Interference Cancellation (SIC), determines the signal quality of the first codeword (associated with at least one transmission layer) *without* using interference cancellation. It calculates the signal quality of the second codeword (associated with at least one additional transmission layer) *using* interference cancellation.
17. An apparatus for wireless communication, comprising: a memory; and at least one processor coupled to the memory, and configured to: obtain a selected method for computing channel quality indication (CQI), the selected method being chosen from a plurality of methods available for computing CQI, the plurality of methods including a first method for computing CQI without averaging signal quality associated with codewords corresponding to different transmission layers and a second method for computing CQI by averaging signal quality associated with codewords corresponding to different transmission layers; compute CQI in accordance with the selected method; and send the CQI from a user equipment (UE) to a base station.
A wireless communication apparatus comprises memory, and at least one processor to select a Channel Quality Indication (CQI) computation method from available methods. These include a method computing CQI without averaging signal quality across different transmission layers and another that does average signal quality. The processor computes CQI according to the selected method and sends the CQI from a user equipment (UE) to a base station.
18. The apparatus of claim 17 , wherein the selected method is the first method, and the first method includes computing CQI for a specific codeword from a plurality of codewords, and wherein the at least one processor is configured to compute CQI for the specific codeword based on whether the UE supports a receiver processing capability.
The wireless communication apparatus selecting a Channel Quality Indication (CQI) computation method from available methods, computing CQI, and sending it to a base station, uses a specific CQI computation method that does not average signal quality across different transmission layers. This method calculates CQI for a specific codeword out of multiple codewords transmitted. The CQI for the specific codeword is based on whether the UE supports receiver processing capability.
19. The apparatus of claim 18 , wherein the UE supports successive interference cancellation (SIC), and wherein the at least one processor is configured to compute CQI without using interference cancellation if the specific codeword is a first codeword from the plurality of codewords, and to compute CQI using interference cancellation if the specific codeword is a second codeword from the plurality of codewords.
The wireless communication apparatus calculating Channel Quality Indication (CQI) for a specific codeword from multiple codewords, where the UE supports Successive Interference Cancellation (SIC), computes CQI *without* interference cancellation if the specific codeword is the *first* codeword. If the specific codeword is the *second* codeword, CQI is computed *using* interference cancellation.
20. The apparatus of claim 19 , wherein the specific codeword is a first codeword from the plurality of codewords.
The wireless communication apparatus calculating Channel Quality Indication (CQI) for a specific codeword from multiple codewords, where the UE supports Successive Interference Cancellation (SIC), uses the *first* codeword for CQI calculation from the plurality of codewords.
21. The apparatus of claim 17 , wherein the selected method is for computing CQI by averaging signal quality across a plurality of transmission layers, and wherein the at least one processor is configured to determine signal qualities of the plurality of transmission layers based on whether the UE supports a receiver processing capability, and to compute CQI based on an average of the signal qualities of the plurality of transmission layers.
The wireless communication apparatus selecting a Channel Quality Indication (CQI) computation method from available methods, computing CQI, and sending it to a base station, uses a specific CQI computation method that *averages* signal quality across multiple transmission layers. It determines signal qualities based on UE's receiver capability and determines CQI based on the average of those signal qualities.
22. The apparatus of claim 21 , wherein the UE supports successive interference cancellation (SIC), and wherein the at least one processor is configured to determine a signal quality of a first codeword without using interference cancellation, the first codeword being associated with at least one transmission layer, and determine a signal quality of a second codeword using interference cancellation, the second codeword being associated with at least one additional transmission layer.
The wireless communication apparatus calculating Channel Quality Indication (CQI) by averaging signal quality across multiple transmission layers, where the UE supports Successive Interference Cancellation (SIC), determines the signal quality of the first codeword (associated with at least one transmission layer) *without* using interference cancellation. It calculates the signal quality of the second codeword (associated with at least one additional transmission layer) *using* interference cancellation.
23. A computer program product, stored on a non-transitory computer-readable medium, and comprising code for causing at least one processor to: obtain a selected method for computing channel quality indication (CQI), the selected method being chosen from a plurality of methods available for computing CQI, the plurality of methods including a first method for computing CQI without averaging signal quality associated with codewords corresponding to different transmission layers and a second method for computing CQI by averaging signal quality associated with codewords corresponding to different transmission layers; compute CQI in accordance with the selected method, and send the CQI from a user equipment (UE) to a base station.
A computer program product, stored on a non-transitory computer-readable medium, contains code to select a Channel Quality Indication (CQI) computation method from available methods. These include a method computing CQI without averaging signal quality across different transmission layers and another that does average signal quality. The code also enables computation of CQI according to the selected method and sending the CQI from a user equipment (UE) to a base station.
24. A method for wireless communication, comprising: determining a selected method for computing channel quality indication (CQI), the selected method being chosen from a plurality of methods available for computing CQI, the plurality of methods including a first method for computing CQI without averaging signal quality associated with codewords corresponding to different transmission layers and a second method for computing CQI by averaging signal quality associated with codewords corresponding to different transmission layers; receiving CQI computed by a user equipment (UE) in accordance with the selected method; and sending data from a base station to the UE based on the received CQI.
A wireless communication method involves a base station selecting a method for a UE to compute Channel Quality Indication (CQI) from available methods. These include a method computing CQI without averaging signal quality across different transmission layers and another that does average signal quality. The base station receives the CQI computed by the UE according to the selected method and sends data to the UE based on the received CQI.
25. The method of claim 24 , wherein the selected method is the first method, and the first method includes computing CQI for a specific codeword from a plurality of codewords, and wherein the received CQI is for the specific codeword.
The wireless communication method where a base station selects a method for a UE to compute Channel Quality Indication (CQI) and receives/sends data based on the CQI, uses a specific CQI computation method that does not average signal quality across different transmission layers. This method calculates CQI for a specific codeword out of multiple codewords transmitted, and the received CQI is for this specific codeword.
26. The method of claim 25 , wherein the specific codeword is a first codeword from the plurality of codewords.
The wireless communication method receiving Channel Quality Indication (CQI) for a specific codeword out of multiple codewords, uses the *first* codeword for CQI calculation from the plurality of codewords.
27. The method of claim 25 , wherein the UE observes similar signal qualities for the plurality of codewords, and wherein the sending data comprises determining a modulation and coding scheme (MCS) based on the received CQI, and processing each of the plurality of codewords based on the MCS.
The wireless communication method receiving Channel Quality Indication (CQI) for a specific codeword from multiple codewords, uses a CQI computation method that does not average signal quality across different transmission layers. If the UE observes similar signal qualities for the codewords, the base station determines a modulation and coding scheme (MCS) based on the received CQI, and processes each codeword using the same MCS.
28. The method of claim 25 , wherein the UE observes different signal qualities for the plurality of codewords, and wherein the sending data comprises determining a modulation and coding scheme (MCS) for the specific codeword based on the received CQI, determining another MCS for another codeword based on the received CQI, and processing each codeword based on the MCS determined for the codeword.
The wireless communication method receiving Channel Quality Indication (CQI) for a specific codeword from multiple codewords, uses a CQI computation method that does not average signal quality across different transmission layers. If the UE observes different signal qualities for the codewords, the base station determines a modulation and coding scheme (MCS) for the specific codeword based on the received CQI, determines another MCS for another codeword also based on the received CQI, and processes each codeword based on its specific MCS.
29. The method of claim 24 , wherein the selected method is the second method, and the second method includes computing CQI by averaging signal quality across a plurality of transmission layers.
This method describes a wireless communication process where a base station determines how a User Equipment (UE) should calculate its Channel Quality Indication (CQI). The base station selects from a range of available CQI calculation methods. These methods include one that computes CQI for individual codewords without averaging their signal quality across different transmission layers, and another that computes CQI by averaging signal quality across multiple transmission layers. In this specific approach, the selected method for the UE to compute CQI is the one that involves *averaging* the signal quality across its various transmission layers. After the UE computes the CQI using this averaging technique, it sends this averaged CQI back to the base station. The base station then receives this CQI and uses it to send data to the UE, optimizing the data transmission based on the reported averaged channel quality.
30. The method of claim 29 , wherein the sending data comprises determining at least one modulation and coding scheme (MCS) for a plurality of codewords based on the received CQI, and processing the plurality of codewords based on the at least one MCS.
The wireless communication method receiving Channel Quality Indication (CQI) where the selected CQI computation method averages signal quality across multiple transmission layers, involves the base station determining at least one modulation and coding scheme (MCS) for a group of codewords based on the received CQI, and processing the codewords using that MCS.
31. The method of claim 24 , wherein the determining the selected method for computing CQI comprises choosing the selected method by the base station for the UE.
The wireless communication method selecting a method for a UE to compute Channel Quality Indication (CQI) involves the base station choosing the selected method for the UE.
32. The method of claim 24 , wherein the selected method is chosen based on whether the UE supports a receiver processing capability, and wherein the receiver processing capability includes successive interference cancellation (SIC).
The wireless communication method selecting a method for a UE to compute Channel Quality Indication (CQI) involves the method being selected based on whether the UE supports receiver processing capabilities such as Successive Interference Cancellation (SIC).
33. An apparatus for wireless communication, comprising: means for determining a selected method for computing channel quality indication (CQI), the selected method being chosen from a plurality of methods available for computing CQI, the plurality of methods including a first method for computing CQI without averaging signal quality associated with codewords corresponding to different transmission layers and a second method for computing CQI by averaging signal quality associated with codewords corresponding to different transmission layers; means for receiving CQI computed by a user equipment (UE) in accordance with the selected method; and means for sending data from a base station to the UE based on the received CQI.
A wireless communication apparatus comprises a component to select a method for a UE to compute Channel Quality Indication (CQI) from available methods. These include a method computing CQI without averaging signal quality across different transmission layers and another that does average signal quality. There's also a component to receive CQI from the UE based on the selected method, and a component to send data to the UE based on the received CQI.
34. The apparatus of claim 33 , wherein the selected method is the first method, and the first method includes computing CQI for a specific codeword from a plurality of codewords, and wherein the received CQI is for the specific codeword.
The wireless communication apparatus selecting a method for a UE to compute Channel Quality Indication (CQI) and receiving/sending data based on the CQI, uses a specific CQI computation method that does not average signal quality across different transmission layers. This method calculates CQI for a specific codeword out of multiple codewords transmitted, and the received CQI is for this specific codeword.
35. The apparatus of claim 34 , wherein the specific codeword is a first codeword from the plurality of codewords.
The wireless communication apparatus receiving Channel Quality Indication (CQI) for a specific codeword out of multiple codewords, uses the *first* codeword for CQI calculation from the plurality of codewords.
36. The apparatus of claim 33 , wherein the selected method is the second method, and the second method includes computing CQI by averaging signal quality across a plurality of transmission layers, and wherein the received CQI is determined based on an average of signal qualities of the plurality of transmission layers.
The wireless communication apparatus selecting a method for a UE to compute Channel Quality Indication (CQI) and receiving/sending data based on the CQI, uses a specific CQI computation method that *averages* signal quality across multiple transmission layers. The received CQI is based on the average of signal qualities across the multiple transmission layers.
37. The apparatus of claim 33 , wherein the means for sending data determines a modulation and coding scheme (MCS) based on the received CQI, and processes each of a plurality of codewords based on the MCS.
This invention relates to wireless communication systems, specifically improving data transmission efficiency by dynamically adjusting modulation and coding schemes (MCS) based on channel quality feedback. The problem addressed is optimizing data throughput and reliability in varying channel conditions by adapting transmission parameters in real-time. The apparatus includes a receiver that obtains a channel quality indicator (CQI) from a receiving device, reflecting the current signal quality of the communication channel. A processing unit then determines an appropriate MCS based on the CQI value, balancing between higher data rates (using advanced modulation schemes like 64-QAM) and robustness (using lower-order modulation and stronger error correction codes). The system processes multiple codewords—distinct data streams—according to the selected MCS, ensuring each is encoded and modulated optimally for the prevailing channel conditions. This adaptive approach enhances spectral efficiency while maintaining error performance, particularly useful in mobile environments where signal quality fluctuates. The apparatus may also include mechanisms to handle multiple-input multiple-output (MIMO) configurations, where different codewords are transmitted via separate spatial layers, each potentially using distinct MCS settings tailored to their respective channel conditions. The system dynamically adjusts these parameters to maximize throughput without compromising reliability, addressing challenges in high-mobility scenarios or interference-prone environments. The invention improves upon static MCS selection methods by continuously adapting to real-time channel feedback, reducing retransmissions and improving overall system performance.
38. The apparatus of claim 33 , wherein the means for sending data determines at least two modulation and coding schemes (MCSs) based on the received CQI, and processes a plurality of codewords based on the at least two MCSs.
The wireless communication apparatus sending data to the UE, determines at least *two* modulation and coding schemes (MCSs) based on the received CQI, and processes a group of codewords based on those MCSs.
39. An apparatus for wireless communication, comprising: a memory; at least one processor coupled to the memory, and configured to: determine a selected method for computing channel quality indication (CQI), the selected method being chosen from a plurality of methods available for computing CQI, the plurality of methods including a first method for computing CQI without averaging signal quality associated with codewords corresponding to different transmission layers and a second method for computing CQI by averaging signal quality associated with codewords corresponding to different transmission layers; receive CQI computed by a user equipment (UE) in accordance with the selected method; and send data from a base station to the UE based on the received CQI.
A wireless communication apparatus comprises memory, and at least one processor to select a method for a UE to compute Channel Quality Indication (CQI) from available methods. These include a method computing CQI without averaging signal quality across different transmission layers and another that does average signal quality. The processor receives the CQI computed by the UE according to the selected method and sends data to the UE based on the received CQI.
40. A computer program product, stored on a non-transitory computer-readable medium, and comprising code for causing at least one processor to: determine a selected method for computing channel quality indication (CQI), the selected method being chosen from a plurality of methods available for computing CQI, the plurality of methods including a first method for computing CQI without averaging signal quality associated with codewords corresponding to different transmission layers and a second method for computing CQI by averaging signal quality associated with codewords corresponding to different transmission layers; receive CQI computed by a user equipment (UE) in accordance with the selected method; and send data from a base station to the UE based on the received CQI.
A computer program product, stored on a non-transitory computer-readable medium, contains code to select a method for a UE to compute Channel Quality Indication (CQI) from available methods. These include a method computing CQI without averaging signal quality across different transmission layers and another that does average signal quality. The code also enables receiving CQI from the UE based on the selected method, and sending data from the base station to the UE based on the received CQI.
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September 16, 2014
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